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ChemicalBook >> CAS DataBase List >> 1,3-Bis(trimethylsilyl)urea

1,3-Bis(trimethylsilyl)urea

1,3-Bis(trimethylsilyl)urea price.
  • $11.2 - $487.2
  • Product name: 1,3-Bis(trimethylsilyl)urea
  • CAS: 18297-63-7
  • MF: C7H20N2OSi2
  • MW: 204.42
  • EINECS:242-177-9
  • MDL Number:MFCD00008260
  • Synonyms:Urea, TMS;BIS(TRIMETHYLSILYL)UREA;BSU;N,N'-BIS(TRIMETHYLSILYL)UREA;Hexamethyl disilaurea;N N'-BIS(TRIMETHYLSILYL)UREA 98+%;Bis-(Trimethylsilyl)-Urea (BSU);Ureylenebis(trimethylsilane)
23 prices
Selected condition:
Brand
  • AK Scientific
  • Alfa Aesar
  • American Custom Chemicals Corporation
  • Biosynth Carbosynth
  • BroadPharm
  • Chem-Impex
  • Crysdot
  • Matrix Scientific
  • Sigma-Aldrich
  • TCI Chemical
  • TRC
Package
  • 500mg
  • 1g
  • 2.500g
  • 5g
  • 10g
  • 25g
  • 50g
  • 100g
  • 250g
  • 500g
  • 1kg
  • 2.5KG
  • ManufacturerAK Scientific
  • Product numberK872
  • Product description1,3-Bis(trimethylsilyl)urea
  • Packaging25g
  • Price$78
  • Updated2021-12-16
  • Buy
  • ManufacturerAlfa Aesar
  • Product numberL01301
  • Product descriptionN,N'-Bis(trimethylsilyl)urea, 98+%
  • Packaging50g
  • Price$20.65
  • Updated2024-03-01
  • Buy
  • ManufacturerAlfa Aesar
  • Product numberL01301
  • Product descriptionN,N'-Bis(trimethylsilyl)urea, 98+%
  • Packaging250g
  • Price$64.65
  • Updated2024-03-01
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberORS0014128
  • Product description1,3-BIS(TRIMETHYLSILYL)UREA 95.00%
  • Packaging25G
  • Price$122.85
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth Carbosynth
  • Product numberFB03423
  • Product descriptionN,N'-Bis(trimethylsilyl)-urea
  • Packaging50g
  • Price$60
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth Carbosynth
  • Product numberFB03423
  • Product descriptionN,N'-Bis(trimethylsilyl)-urea
  • Packaging100g
  • Price$80
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth Carbosynth
  • Product numberFB03423
  • Product descriptionN,N'-Bis(trimethylsilyl)-urea
  • Packaging250g
  • Price$150
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth Carbosynth
  • Product numberFB03423
  • Product descriptionN,N'-Bis(trimethylsilyl)-urea
  • Packaging500g
  • Price$220
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth Carbosynth
  • Product numberFB03423
  • Product descriptionN,N'-Bis(trimethylsilyl)-urea
  • Packaging1kg
  • Price$350
  • Updated2021-12-16
  • Buy
  • ManufacturerBroadPharm
  • Product numberBP-21121
  • Product description1,3-BIS(TRIMETHYLSILYL)UREA 98%
  • Packaging10g
  • Price$45
  • Updated2021-12-16
  • Buy
  • ManufacturerChem-Impex
  • Product number37335
  • Product descriptionN,N'-Bis(trimethylsilyl)urea,98%(Assaybytitration) 98%(Assaybytitration)
  • Packaging25G
  • Price$11.2
  • Updated2021-12-16
  • Buy
  • ManufacturerChem-Impex
  • Product number37335
  • Product descriptionN,N'-Bis(trimethylsilyl)urea,98%(Assaybytitration) 98%(Assaybytitration)
  • Packaging100G
  • Price$33.6
  • Updated2021-12-16
  • Buy
  • ManufacturerChem-Impex
  • Product number37335
  • Product descriptionN,N'-Bis(trimethylsilyl)urea,98%(Assaybytitration) 98%(Assaybytitration)
  • Packaging250G
  • Price$61.6
  • Updated2021-12-16
  • Buy
  • ManufacturerChem-Impex
  • Product number37335
  • Product descriptionN,N'-Bis(trimethylsilyl)urea,98%(Assaybytitration) 98%(Assaybytitration)
  • Packaging1KG
  • Price$212.8
  • Updated2021-12-16
  • Buy
  • ManufacturerChem-Impex
  • Product number37335
  • Product descriptionN,N'-Bis(trimethylsilyl)urea,98%(Assaybytitration) 98%(Assaybytitration)
  • Packaging2.5KG
  • Price$487.2
  • Updated2021-12-16
  • Buy
  • ManufacturerCrysdot
  • Product numberCD42000991
  • Product description1,3-Bis(trimethylsilyl)urea 95+%
  • Packaging100g
  • Price$50
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
AK Scientific K872 1,3-Bis(trimethylsilyl)urea 25g $78 2021-12-16 Buy
Alfa Aesar L01301 N,N'-Bis(trimethylsilyl)urea, 98+% 50g $20.65 2024-03-01 Buy
Alfa Aesar L01301 N,N'-Bis(trimethylsilyl)urea, 98+% 250g $64.65 2024-03-01 Buy
American Custom Chemicals Corporation ORS0014128 1,3-BIS(TRIMETHYLSILYL)UREA 95.00% 25G $122.85 2021-12-16 Buy
Biosynth Carbosynth FB03423 N,N'-Bis(trimethylsilyl)-urea 50g $60 2021-12-16 Buy
Biosynth Carbosynth FB03423 N,N'-Bis(trimethylsilyl)-urea 100g $80 2021-12-16 Buy
Biosynth Carbosynth FB03423 N,N'-Bis(trimethylsilyl)-urea 250g $150 2021-12-16 Buy
Biosynth Carbosynth FB03423 N,N'-Bis(trimethylsilyl)-urea 500g $220 2021-12-16 Buy
Biosynth Carbosynth FB03423 N,N'-Bis(trimethylsilyl)-urea 1kg $350 2021-12-16 Buy
BroadPharm BP-21121 1,3-BIS(TRIMETHYLSILYL)UREA 98% 10g $45 2021-12-16 Buy
Chem-Impex 37335 N,N'-Bis(trimethylsilyl)urea,98%(Assaybytitration) 98%(Assaybytitration) 25G $11.2 2021-12-16 Buy
Chem-Impex 37335 N,N'-Bis(trimethylsilyl)urea,98%(Assaybytitration) 98%(Assaybytitration) 100G $33.6 2021-12-16 Buy
Chem-Impex 37335 N,N'-Bis(trimethylsilyl)urea,98%(Assaybytitration) 98%(Assaybytitration) 250G $61.6 2021-12-16 Buy
Chem-Impex 37335 N,N'-Bis(trimethylsilyl)urea,98%(Assaybytitration) 98%(Assaybytitration) 1KG $212.8 2021-12-16 Buy
Chem-Impex 37335 N,N'-Bis(trimethylsilyl)urea,98%(Assaybytitration) 98%(Assaybytitration) 2.5KG $487.2 2021-12-16 Buy
Crysdot CD42000991 1,3-Bis(trimethylsilyl)urea 95+% 100g $50 2021-12-16 Buy

Properties

Melting point :219-221 °C(lit.)
Boiling point :222°C
Density :0.887
vapor pressure :0.002-1850Pa at 25℃
Flash point :65°C
storage temp. :Inert atmosphere,Room Temperature
solubility :pyridine: soluble100mg/mL, clear to slightly hazy, colorless to light yellow
form :solid
pka :16.51±0.46(Predicted)
color :White to Almost white
Water Solubility :Reacts with water.
Hydrolytic Sensitivity :7: reacts slowly with moisture/water
Sensitive :Moisture Sensitive
BRN :1937452
InChIKey :MASDFXZJIDNRTR-UHFFFAOYSA-N
LogP :-2.11-2.72 at 20℃
CAS DataBase Reference :18297-63-7(CAS DataBase Reference)
NIST Chemistry Reference :Urea, n,n'-bis(trimethylsilyl)-(18297-63-7)
EPA Substance Registry System :

Safety Information

Symbol(GHS): GHS hazard pictograms
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H228 Flammable solid Flammable solids Category 1
Category 2
Danger
Warning
GHS hazard pictograms P210, P240,P241, P280, P370+P378
Precautionary statements:
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

Description

N,N'-Bis(trimethylsilyl)urea is used as a reagent for the silylation of alcohols and carboxylic acids.

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